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English definition of “abnormal”

abnormal

adjective uk   /æbˈnɔː.məl/ us    /-ˈnɔːr-/
C1 different from what is usual or average, especially in a way that is bad: abnormal behaviour/weather/conditions Tests revealed some abnormal skin cells.
abnormally
adverb uk   /-i/ us  
The success rate was abnormally high.
(Definition of abnormal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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